3-1/2" OD 304/304L Stainless Steel Tubing, Welded, 16 Gauge (.065) - 3' Length Item ID: T-0350-W-A269-065-4-ML-BA-K3 Wall (spec): 16 Gauge (0.065") Material (spec): 304/304L Stainless Steel Length (spec): 3 Feet Tube OD (spec): 3-1/2"; Finish (spec): Mill ID / Bright Annealed OD